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Pateh ted April 16,1867.

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W- W. BURSON;

Straw Cutter.

j l'z hessem 0% M Quinn game gaunt @ffiraf W. BURSON, OF ROCKFORD, ILLINOIS.

Letters Patent No. 63,852, dated April 16, 1867.

IMPROVEMENT IN STRAW-UUTTER.

TO ALL WHOM IT MAY CONCERN:

Be it known that I W. W. BURsoN, of the city of Rockford, in the .county of Winn'ebago, and State of Illinois, have invented a new and improved Fuel and Feed-Cutter combined; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being bad to the annexed drawing, and to the letters of reference marked thereon. In the dra\'ving Figure 1 is a front elevation of the machine.

Figure 2 is a plan view.

Figure 3 is an end view of the feed roller d and its attachments.

Figure 4 is a view of feed plate 2'.

Figure 5 shows the manner of attaching the knives a to pulley A.

My invention has reference to the cutting of brushwood, pruning of orchards, vineyards, hedges, 360., into convenient lengths for fuchand by a slight change of the mechanism to use the machine for cutting hay, straw, and corn-stalks into cut feed, and consists of certain combinations of devices hereinafter to he set forth.

In the drawing, the pulley or wheel A upon the end of shaft H, is supported on its bearings B and I). The cog-wheel E, on the said shaft H, meshes into cog-wheel E, upon the shaft of feed roller CZ, which is thereby turned with the rotation of shaft H. Spur-wheel g, meshing in spur-wheelg, of feed roller (Z and (1 respectively, cause the feed rollers to turn uniformly, and keep in their desired relative positions with reference to their serrated and smooth sides. The upper rollcrd is allowed to yield by the springs 70 is, when necessary;

Especial attention is asked to the following points:

First. Thewheel or pulley A has the knives a a secured on its inner side, and opposite to the arms h 71 of said wheel, permitting the out material to pass through the openings of said wheel, and allowing the outer surface of this wheel to be used as a baud-pulley to receive the power.

( Second. The knives to a b b are dove-tailed into the edge of the pulley A, also in the hub of said pulley, and then fastened with a set-screw or bolt, which manner of fastening the knives is deemed important as great strength of fastening is required in this class of machinery.

Third. The arms h It of the pulley A are spiral or screw-shaped, which form permits the feed to operate I immediately following the passing of the knives a a across the feed passage I, and at the same time gives a strong support-tothe rim of the pulley A. I

Fourth. The inner end of the knives a a are placed somewhat back of the radius line, which arrangement leaves the feed passage I open until the outer ends of said kniv'es pass across it, which moving more rapidly than the inner end gives a running stroke, which has been found very desirable in cutting brushwood for fuel. The stationary cutter c is notched or serrated, which prevents the slipping on the lowerknife of the material to he out, which would very much weaken the force of the blow of knife a.

Fifth. The feed passage I is arranged to bring the material to be cut obliquely to the cutters. which arrangement has been found a great advantage in the ease of 'operatiou.

Sixth. The feed rollers d d have upon their hexagonal sides the serrated plates it i, a portion of the circumference of each roller being left smooth, and these serrated plates are so arranged that they shall not come in contact with the brush while the knife (1 is passingthe feed passage I, at which time it could not of course be moved forward.

Seventh. When used as a feed cutter, additional knives b 6 must be fastened to pulley A, and additional plates z'z' upon the feed rollers 11 d, to give the length of cut desired. The nut F upon shaft H can be turned to bring the revolving cutters as closely to the stationary cutter c as desired, a very convenient mode of compensating for the wear of the parts.

What I claim as my invention, and desire to seoureby Letters Patent, is

1. The arrangement of the cutting knives a a, in combination with the spiral arms h h of pulley ,A, constructed and operating substantially as described. v I

2. In a combined fuel and feed-cutter, the manner of fastening the cutting knives a a b b to the pulley A, substantially as described.

naps; 2

3. The arrangement of the knii'es a a b 12 upon pulley A, and the construction of the stationary cutter 0; operating substantially as and for the purpose set forth.

4. The arrangement of the feed passage 1, with relation to the cutters ac, substantially as described and operating for the purpose set forth. I i

5. They construction of the feed rollersclcl, for the purpose of giving an intermittent feed motion as described.

6. The placing of the additional knives b 6 upon the pulley A, and additional serrated plates z'z'upon the feed rollers cl 01, substantially as described and operating for the purpose set forth.

7. The combination and arrangement of the nut F with shaft H, and cutter pulley A, substantially as described and operating for the purpose set forth.

W. W. BURSON Witnesses:

J. S. Hra'rrr, Jenn NELSON. 

